mamaduka-post-meta-events.php

<?php
/**
 * Plugin Name: Post Meta for Events
 * Plugin URI: 
 * Description: Add meta box to posts for events meta information ( using Kovshenin's Post Options API plugin )
 * Version: 0.1
 * Author: George Mamadashvili
 */

// Remove test options
remove_action( 'init', 'post_options_test' );

// Hook our options for events meta
add_action( 'init', 'mamaduka_post_meta_events', 11 );

function mamaduka_post_meta_events() {
	global $post_options;
	
	// Register one section and add it to 'post' post type
	$post_options->register_post_options_section( 'add-event', 'Add Event' );
	$post_options->add_section_to_post_type( 'add-event', 'post' );
	
	// Add text field for event title
	$post_options->register_post_option( array(
		'id' => 'event-title',
		'title' => 'What are you planning?',
		'section' => 'add-event',
		'callback' => Post_Options_Fields::text( array(
			'sanitize_callback' => 'sanitize_title'
		) )
	) );
	
	// Add text field for event location
	$post_options->register_post_option( array(
		'id' => 'event-location',
		'title' => 'Where?',
		'section' => 'add-event',
		'callback' => Post_Options_Fields::text( array(
			'sanitize_callback' => 'sanitize_title'
		) )
	) );
	
	// Add textare for event description
	$post_options->register_post_option( array(
		'id' => 'event-info',
		'title' => 'More info?',
		'section' => 'add-event',
		'callback' => Post_Options_Fields::textarea( array(
			'decription' => ''
		) )
	) );

}